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JPL Small-Body Database Browser
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91192 (1998 SA58)
Classification: Main-belt Asteroid          SPK-ID: 2091192
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1448218917600551 4.5577e-08  
a 3.181872493111124 2.817e-08 au
q 2.721067699319488 1.5303e-07 au
i 17.33463923812219 8.0678e-06 deg
node 16.55682069252106 1.3296e-05 deg
peri 285.6744339612008 3.0836e-05 deg
M 343.7717834680147 2.8493e-05 deg
tp 2459093.952490173567
(2020-Sep-01.45249017)
0.00016426 TDB
period 2073.111139241636
5.68
2.7531e-05
7.538e-08
d
yr
n .1736520503824467 2.3061e-09 deg/d
Q 3.64267728690276 3.225e-08 au
  Orbit Determination Parameters
   # obs. used (total)      860  
   data-arc span      7615 days (20.85 yr)  
   first obs. used      1998-08-28  
   last obs. used      2019-07-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55449  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 22:25:09  

Additional Information
 Earth MOID = 1.77046 au 
 Jupiter MOID = 1.88277 au 
 T_jup = 3.113 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 13.8   n/a MPO359380  
diameter diameter 12.203 km 1.290 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  
geometric albedo albedo 0.047   0.016 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  

91192 (1998 SA58)          Discovered 1998-Sep-17 by LONEOS at Anderson Mesa
Reference: 20041028/Numbers.arcLast Updated: 2004-10-29

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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